Native to:
Argentina Northeast,
Argentina Northwest,
Argentina South,
Bolivia,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Chile Central,
Chile North,
Chile South,
Colombia,
Costa Rica,
Ecuador,
El Salvador,
Guatemala,
Honduras,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Southeast,
Mexico Southwest,
Nicaragua,
Panamá,
Paraguay,
Peru,
Uruguay,
Venezuela
Introduced into:
Alabama,
Albania,
Angola,
Arizona,
Arkansas,
Azores,
Belgium,
Bermuda,
Botswana,
California,
Canary Is.,
Cape Provinces,
Cape Verde,
China North-Central,
China South-Central,
China Southeast,
Cook Is.,
Corse,
Cuba,
Czechoslovakia,
Dominican Republic,
Easter Is.,
Egypt,
Ethiopia,
Fiji,
Florida,
France,
Free State,
Galápagos,
Georgia,
Great Britain,
Greece,
Gulf of Guinea Is.,
Hainan,
Haiti,
Hawaii,
Illinois,
India,
Iran,
Italy,
Jamaica,
Japan,
Jawa,
Juan Fernández Is.,
Kenya,
Korea,
KwaZulu-Natal,
Leeward Is.,
Lesotho,
Libya,
Louisiana,
Madagascar,
Madeira,
Maryland,
Mauritius,
Mexico Northwest,
Mississippi,
Mozambique,
Namibia,
Nansei-shoto,
Nepal,
Nevada,
New Caledonia,
New Guinea,
New Mexico,
New South Wales,
New Zealand North,
New Zealand South,
Niger,
Niue,
Norfolk Is.,
North Carolina,
Northern Provinces,
Northern Territory,
Oklahoma,
Oregon,
Pakistan,
Palestine,
Pennsylvania,
Philippines,
Pitcairn Is.,
Portugal,
Puerto Rico,
Queensland,
Rodrigues,
Réunion,
South Australia,
South Carolina,
Spain,
Sri Lanka,
Swaziland,
Taiwan,
Tanzania,
Tasmania,
Tennessee,
Texas,
Tonga,
Transcaucasus,
Tubuai Is.,
Turkey,
Uganda,
Vanuatu,
Victoria,
Virginia,
West Himalaya,
West Virginia,
Western Australia,
Windward Is.,
Zambia,
Zimbabwe